A108762 Numbers n such that 911*n + 13 is prime.

0, 6, 18, 20, 38, 54, 60, 66, 68, 74, 80, 84, 90, 114, 126, 138, 164, 170, 174, 180, 194, 198, 228, 230, 248, 258, 264, 270, 284, 300, 350, 356, 366, 368, 378, 384, 396, 426, 438, 440, 444, 458, 480, 500, 506, 516, 528, 536, 566, 570, 578, 600, 608, 614, 618

Offset

1,2

Links

Table of n, a(n) for n=1..55.

Example

If n=0 then 911*n + 13 = 13 (prime).
If n=74 then 911*n + 13 = 67427 (prime).

Maple

a:=proc(n) if isprime(911*n+13)=true then n else fi end: seq(a(n), n=0..900); # Emeric Deutsch, Aug 07 2005

Mathematica

Select[Range[0, 650], PrimeQ[911#+13]&] (* Harvey P. Dale, Aug 14 2011 *)

Prog

(PARI) is(n)=isprime(911*n+13) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Sequence in context: A114452 A253914 A283744 * A088724 A124276 A107405

Adjacent sequences: A108759 A108760 A108761 * A108763 A108764 A108765

Keyword

nonn,easy

Author

Parthasarathy Nambi, Jul 25 2005

Extensions

More terms from Emeric Deutsch, Aug 07 2005

Status

approved